data_global _amcsd_formula_title 'FeNaO2' loop_ _publ_author_name 'Bertaut F' 'Blum P' _journal_name_full 'Comptes Rendus Hebdomadaires des Seances de l'Academie des Sciences' _journal_volume 239 _journal_year 1954 _journal_page_first 429 _journal_page_last 431 _publ_section_title ; Structure d'une nouvelle variete de ferrite de sodium (FeNaO2) _cod_database_code 1009034 ; _database_code_amcsd 0016895 _chemical_compound_source 'Synthetic' _chemical_formula_sum 'Fe Na O2' _cell_length_a 5.672 _cell_length_b 7.136 _cell_length_c 5.377 _cell_angle_alpha 90 _cell_angle_beta 90 _cell_angle_gamma 90 _cell_volume 217.636 _exptl_crystal_density_diffrn 3.383 _symmetry_space_group_name_H-M 'P n a 21' loop_ _space_group_symop_operation_xyz 'x,y,z' '1/2+x,1/2-y,z' '1/2-x,1/2+y,1/2+z' '-x,-y,1/2+z' loop_ _atom_site_label _atom_site_fract_x _atom_site_fract_y _atom_site_fract_z Fe1 0.07500 0.12800 0.00000 Na1 0.40000 0.13500 0.50000 O1 0.05000 0.10000 0.33000 O2 0.38000 0.12500 -0.10000